package hw.conf;

import lombok.extern.slf4j.Slf4j;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

@Configuration
@Profile("dev")
@EnableCaching(proxyTargetClass = true)
@Slf4j
public class RedisConf {

	// 缓存数据时Key的生成器，可以依据业务和技术场景自行定制
	// @Bean
	// public KeyGenerator customizedKeyGenerator() {
	// return new KeyGenerator() {
	// @Override
	// public Object generate(Object target, Method method, Object... params) {
	// StringBuilder sb = new StringBuilder();
	// sb.append(target.getClass().getName());
	// sb.append(method.getName());
	// for (Object obj : params) {
	// sb.append(obj.toString());
	// }
	// return sb.toString();
	// }
	// };
	//
	// }
	// 定制缓存管理器的属性，默认提供的CacheManager对象可能不能满足需要
	// 因此建议依赖业务和技术上的需求，自行做一些扩展和定制
	@Bean("redisCacheManager")
	public CacheManager redisCacheManager(
			@SuppressWarnings("rawtypes") RedisTemplate redisTemplate) {
		RedisCacheManager redisCacheManager = new RedisCacheManager(
				redisTemplate);
		redisCacheManager.setDefaultExpiration(300);
		log.info(".........................redisCacheManager configurated...................................");
		return redisCacheManager;
	}

	@Bean("redisTemplate")
	public RedisTemplate<String, String> redisTemplate(
			RedisConnectionFactory factory) {
		StringRedisTemplate template = new StringRedisTemplate(factory);
		Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(
				Object.class);
		ObjectMapper om = new ObjectMapper();
		om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(om);
		template.setValueSerializer(jackson2JsonRedisSerializer);
		template.afterPropertiesSet();
		return template;
	}

}
